Publications

International Conferences and Workshops

1. PETS’24

   MixMatch: Flow Matching for Mixnet Traffic

   Lennart Oldenburg,  Marc Juarez,  Enrique Argones Rúa and 1 more author

   In the Proceedings of the 2024 Privacy Enhancing Technologies Symposium (PETS-24), 2024

   🏆 Andreas Pfitzmann best student paper award

   PDF Blog Code
2. AAAI’23

   Online Platforms and the Fair Exposure Problem Under Homophily

   Jakob Schoeffer, Alexander Ritchie,  Keziah Naggita and 3 more authors

   Accepted at the 37th AAAI Conference on Artificial Intelligence (AAAI-23), 2023

   HTML PDF
3. AFCP’22

   "You Can’t Fix What You Can’t Measure": Privately Measuring Demographic Performance Disparities in Federated Learning

   Marc Juarez,  and Aleksandra Korolova

   Proceedings of Machine Learning Research. In the Algorithmic Fairness through the Lens of Causality and Privacy Workshop (NeurIPS), 2022

   Also presented at EAAMO’22 and TPDP’22

   HTML PDF Video
4. NDSS'20

   Encrypted DNS ⇒Privacy? A Traffic Analysis Perspective.

   Sandra Siby,  Marc Juarez,  Claudia Diaz and 2 more authors

   Network & Distributed System Security Symposium (NDSS), 2020

   Bib PDF Blog Blog Code

   @inproceedings{SibyJDVT20,
     title = {{Encrypted DNS $\Rightarrow$ Privacy? A Traffic Analysis Perspective.}},
     author = {Siby, Sandra and Juarez, Marc and Diaz, Claudia and Vallina-Rodriguez, Narseo and Troncoso, Carmela},
     booktitle = {Network \& Distributed System Security Symposium (NDSS)},
     year = {2020},
     organization = {Internet Society},
     traffic_analysis = {true},
     peer = {true}
   }

5. CCS'18

   Deep Fingerprinting: Undermining Website Fingerprinting Defenses With Deep Learning

   Payap Sirinam, Mohsen Imani,  Marc Juarez and 1 more author

   ACM Conference on Computer and Communications Security (CCS), 2018

   🏆 Finalist of the CCS’18 Outstanding Paper Awards

   Bib PDF Code

   @inproceedings{SirinamIJW18,
     title = {Deep Fingerprinting: Undermining Website Fingerprinting Defenses With Deep Learning},
     author = {Sirinam, Payap and Imani, Mohsen and Juarez, Marc and Wright, Matthew},
     booktitle = {ACM Conference on Computer and Communications Security (CCS)},
     pages = {1928--1943},
     publisher = {{ACM}},
     year = {2018},
     award = {Finalist of the CCS'18 Outstanding Paper Awards},
     traffic_analysis = {true},
     peer = {true}
   }

6. HotPETs’18

   DNS Privacy not so private: the traffic analysis perspective

   Sandra Siby,  Marc Juarez,  Narseo Vallina-Rodriguez and 1 more author

   Workshop on Hot Topics in Privacy Enhancing Technologies (HotPETS), 2018
7. NDSS'18

   Automated Website Fingerprinting Through Deep Learning

   Vera Rimmer, Davy Preuveneers,  Marc Juarez and 2 more authors

   Network & Distributed System Security Symposium (NDSS), 2018

   Bib PDF Code Website

   @inproceedings{RimmerPJVW18,
     title = {Automated Website Fingerprinting Through Deep Learning},
     author = {Rimmer, Vera and Preuveneers, Davy and Juarez, Marc and Van Goethem, Tom and Joosen, Wouter},
     booktitle = {Network \& Distributed System Security Symposium (NDSS)},
     year = {2018},
     organization = {Internet Society},
     traffic_analysis = {true},
     peer = {true}
   }

8. NDSS'18

   Inside Job: Applying Traffic Analysis to Measure Tor From Within

   Rob Jansen,  Marc Juarez,  Rafael Galvez and 2 more authors

   Network & Distributed System Security Symposium (NDSS), 2018

   Bib PDF Code

   @inproceedings{JansenJGED18,
     title = {Inside Job: Applying Traffic Analysis to Measure Tor From Within},
     author = {Jansen, Rob and Juarez, Marc and Galvez, Rafael and Elahi, Tariq and Diaz, Claudia},
     booktitle = {Network \& Distributed System Security Symposium (NDSS)},
     year = {2018},
     organization = {Internet Society},
     traffic_analysis = {true},
     peer = {true}
   }

9. On the Application of Deep Learning Techniques to Website Fingerprinting Attacks and Defenses

   Marc Juarez,  and Vera Rimmer

   Deep Learning Security Workshop (Research Forum), 2017

   🏆 Presentation Award
10. PETS'17

    Website Fingerprinting Defenses at the Application Layer

    Giovanni Cherubin, Jamie Hayes,  and Marc Juarez

    Proceedings on Privacy Enhancing Technologies (PoETS) 2017

    Bib PDF Video Blog Code

    @article{CherubinHJ17,
      author = {Cherubin, Giovanni and Hayes, Jamie and Juarez, Marc},
      journal = {Proceedings on Privacy Enhancing Technologies (PoETS)},
      issue = {2},
      pages = {168--185},
      title = {{Website Fingerprinting Defenses at the Application Layer}},
      year = {2017},
      publisher = {De Gruyter},
      traffic_analysis = {true},
      peer = {true}
    }

11. CCS'17

    How unique is your onion? An Analysis of the Fingerprintability of Tor Onion Services

    Rebekah Overdorf,  Marc Juarez,  Gunes Acar and 2 more authors

    ACM Conference on Computer and Communications Security (CCS), 2017

    🏆 Finalist of the PETS Caspar Bowden Award
    🏆 Finalist of the CCS’17 Paper Awards

    Bib PDF Code Website

    @inproceedings{OverdorfJAGD17,
      author = {Overdorf, Rebekah and Juarez, Marc and Acar, Gunes and Greenstadt, Rachel and Diaz, Claudia},
      title = {How unique is your onion? An Analysis of the Fingerprintability of Tor Onion Services},
      booktitle = {ACM Conference on Computer and Communications Security (CCS)},
      pages = {2021--2036},
      publisher = {{ACM}},
      year = {2017},
      award = {Finalist of the PETS Caspar Bowden Award},
      award2 = {Finalist of the CCS'17 Paper Awards},
      traffic_analysis = {true},
      peer = {true}
    }

12. Profiling Tor Users with Unsupervised Learning Techniques

    Rafael Galvez,  Marc Juarez,  and Claudia Diaz

    International Workshop on Inference and Privacy in a Hyperconnected World (INFER), 2016
13. ESORICS'16

    Toward an Efficient Website Fingerprinting Defense

    Marc Juarez, Mohsen Imani,  Mike Perry and 2 more authors

    European Symposium on Research in Computer Security (ESORICS), 2016

    🏆 Outstanding Paper Award

    Bib PDF Code

    @inproceedings{JuarezIPDW16,
      author = {Juarez, Marc and Imani, Mohsen and Perry, Mike and Diaz, Claudia and Wright, Matthew},
      title = {{Toward an Efficient Website Fingerprinting Defense}},
      booktitle = {European Symposium on Research in Computer Security (ESORICS)},
      pages = {27--46},
      publisher = {{Springer}},
      year = {2016},
      award = {Outstanding Paper Award},
      traffic_analysis = {true},
      peer = {true}
    }

14. CCS'14

    A Critical Evaluation of Website Fingerprinting Attacks

    Marc Juarez, Sadia Afroz,  Gunes Acar and 2 more authors

    ACM Conference on Computer and Communications Security (CCS), 2014

    Bib PDF Code

    @inproceedings{JuarezAADG14,
      author = {Juarez, Marc and Afroz, Sadia and Acar, Gunes and Diaz, Claudia and Greenstadt, Rachel},
      title = {A Critical Evaluation of Website Fingerprinting Attacks},
      booktitle = {ACM Conference on Computer and Communications Security (CCS)},
      pages = {263--274},
      publisher = {{ACM}},
      year = {2014},
      traffic_analysis = {true},
      peer = {true}
    }

15. CCS'14

    The Web Never Forgets: Persistent Tracking Mechanisms in the Wild

    Gunes Acar, Christian Eubank,  Steven Englehardt and 3 more authors

    ACM Conference on Computer and Communications Security (CCS), 2014

    Bib PDF Code Website

    @inproceedings{AcarEEJND2014,
      author = {Acar, Gunes and Eubank, Christian and Englehardt, Steven and Juarez, Marc and Narayanan, Arvind and Diaz, Claudia},
      booktitle = {ACM Conference on Computer and Communications Security (CCS)},
      pages = {674--689},
      publisher = {ACM},
      title = {The Web Never Forgets: Persistent Tracking Mechanisms in the Wild},
      year = {2014},
      device_fp = {true},
      peer = {true}
    }

16. CCS'13

    FPDetective: Dusting the Web for fingerprinters

    Gunes Acar,  Marc Juarez,  Nick Nikiforakis and 4 more authors

    ACM Conference on Computer and Communications Security (CCS), 2013

    🏆 Award for Outstanding Research in PETS, runner-up

    Bib PDF Code Website

    @inproceedings{AcarJNDGPP13,
      author = {Acar, Gunes and Juarez, Marc and Nikiforakis, Nick and Diaz, Claudia and G\"{u}rses, Seda F. and Piessens, Frank and Preneel, Bart},
      booktitle = {ACM Conference on Computer and Communications Security (CCS)},
      pages = {1129--1140},
      publisher = {ACM},
      title = {{FPDetective: Dusting the Web for fingerprinters}},
      year = {2013},
      award = {Award for Outstanding Research in PETS, runner-up},
      device_fp = {true},
      peer = {true}
    }

17. PST'13

    A Self-Adaptive Classification for the Dissociating Privacy Agent

    Marc Juarez,  and Vicenç Torra

    International Conference on Privacy, Security and Trust, 2013

    Bib PDF

    @inproceedings{JuarezT13b,
      author = {Juarez, Marc and Torra, Vicen\c{c}},
      booktitle = {{International Conference on Privacy, Security and Trust}},
      isbn = {9781467358392},
      pages = {44--50},
      title = {{A Self-Adaptive Classification for the Dissociating Privacy Agent}},
      year = {2013},
      search = {true},
      peer = {true}
    }

18. IJIS

    Towards a Privacy Agent for Information Retrieval

    Marc Juarez,  and Vicenç Torra

    International Journal of Intelligent Systems 2013

    Bib PDF Code

    @article{JuarezT13a,
      author = {Juarez, Marc and Torra, Vicen\c{c}},
      isbn = {9781467358392},
      journal = {{International Journal of Intelligent Systems}},
      number = {6},
      pages = {606--622},
      title = {{Towards a Privacy Agent for Information Retrieval}},
      url = {http://onlinelibrary.wiley.com/doi/10.1002/int.21595/full},
      volume = {28},
      year = {2013},
      search = {true},
      peer = {true}
    }

Pre-prints

1. arXiv

   Towards Understanding the Interplay of Generative Artificial Intelligence and the Internet

   Gonzalo Martínez, Lauren Watson,  Pedro Reviriego and 3 more authors

   Accepted at the UAI Workshop on Epistemic Uncertainty in Artificial Intelligence, 2023
2. arXiv

   Black-Box Audits for Group Distribution Shifts

   Marc Juarez, Samuel Yeom,  and Matt Fredrikson

   Accepted at the AAAI Workshop on Privacy-Preserving Artificial Intelligence, 2023

   HTML PDF

Book chapters

1. DisPA: An Intelligent Agent for Private Web Search

   Marc Juarez,  and Vicenç Torra

   Advanced Research in Data Privacy, 2015

   Bib

   @inproceedings{JuarezT15,
     author = {Juarez, Marc and Torra, Vicen\c{c}},
     year = {2015},
     isbn = {978-3-319-09884-5},
     booktitle = {Advanced Research in Data Privacy},
     volume = {567},
     series = {Studies in Computational Intelligence},
     editor = {Navarro-Arribas, Guillermo and Torra, Vicen\'c},
     doi = {10.1007/978-3-319-09885-2_21},
     title = {DisPA: An Intelligent Agent for Private Web Search},
     url = {http://dx.doi.org/10.1007/978-3-319-09885-2_21},
     publisher = {Springer International Publishing},
     keywords = {Privacy; Web search; Search personalization; Query classification},
     pages = {389-405},
     language = {English},
     search = {true},
     book = {true}
   }

Posters

1. Transparency into the Causes of Website Inaccessibility

   Sadia Afroz, Huilin Chen,  Mobin Javed and 5 more authors

   Open Day for Privacy, Transparency and Decentralization Workshop, 2018

   Poster
2. Fingerprinting hidden service circuits from a Tor middle relay

   Marc Juarez, Tariq Elahi,  Rob Jansen and 3 more authors

   IEEE Symposium on Security and Privacy (S&P), 2017

   Poster

Theses

1. Design and Evaluation of Website Fingerprinting Techniques

   Marc Juarez

   2019

   🏆 Summa cum laude with the congratulations of the jury
   🏆 ACM SIGSAC Doctoral Dissertation Award runner-up PhD thesis

   PDF
2. DisPA, un Agent per a la Cerca Privada a la Web

   Marc Juarez

   2013

   Undergraduate thesis

   PDF